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Chapter 4 – Applying Graphics Standards

Chapter 4 – Applying Graphics Standards. AutoCAD: Secrets Every User Should Know. Dimensions. Anonymous Blocks Defined by AutoCAD Names begin with *D Not listed as blocks Don't Explode Can't redefine Won't update with edits. 2. Dimensions. Associativity DIMASO Is the Old Variable

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Chapter 4 – Applying Graphics Standards

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  1. Chapter 4 – Applying Graphics Standards AutoCAD: Secrets Every User Should Know

  2. Dimensions • Anonymous Blocks • Defined by AutoCAD • Names begin with *D • Not listed as blocks • Don't Explode • Can't redefine • Won't update with edits 2

  3. Dimensions • Associativity • DIMASO Is the Old Variable • DIMASSOC Is the New 0 All dimension exploded (DON’T) 1 Dimensions are blocks but associated only with defpoints 2 Dimensions associated with geometry, even when in Paper Space 3

  4. Dimensions • Default Dimension Style • Imperial: STANDARD • Metric: ISO-25 • Neither One Meets Standards • Use a Different Name for Your Dimension Styles 4

  5. Dimensions • Custom Arrow Head • Draw one unit long, pointing right • Create a block with point as insertion • Select "User Arrow" in style 5

  6. Dimension Styles • Decimal Inch • Dimension Style Manager 6

  7. Dimension Styles • Decimal Inch • Lines tab 7

  8. Dimension Styles • Decimal Inch • Symbols and Arrows tab 8

  9. Dimension Styles • Decimal Inch • Text tab 9

  10. Dimension Styles • Decimal Inch • Fit tab 10

  11. Dimension Styles • Decimal Inch • Primary Units tab 11

  12. Dimension Styles • Decimal Inch • Alternative Units tab • Seldom used • Not allowed on military spec drawings • When used, generally scale 25.4 • Tolerances tab • Use when tolerance applied • Classes of fit 12

  13. Dimension Styles • Decimal Inch • Child variations • Radius • Diameter 13

  14. Dimension Styles • Decimal Inch • Child variations 14

  15. Dimension Styles • ASME Metric and ISO • Start with decimal inch • Soft conversions • 0.04 is approximately 1mm • 0.0625 (1/16") approximately 1.5mm • 0.125 (1/8") approximately 3mm • 0.25 (1/4') approximately 6mm • 0.375 (3/8") approximately 9mm • 0.5 (1/2") approximately 12mm 15

  16. Dimension Styles • Architectural • Lines tab 16

  17. Dimension Styles • Architectural • Symbols and Arrows tab 17

  18. Dimension Styles • Architectural • Text tab (city blueprint, country blueprint, hand1, or romans 18

  19. Dimension Styles • Architectural • Fit tab 19

  20. Dimension Styles • Architectural • Primary Units tab 20

  21. Dimension Styles • Architectural • Alternate Units tab • Seldom used • Tolerances tab • Not Used 21

  22. Dimension Styles • Architectural • Child variations • Radius, Diameter, and Linear 22

  23. Dimension Styles • Architectural • Linear Text tab 23

  24. Dimension Styles • Architectural • Linear Fit tab 24

  25. Dimension Styles • Civil Surveying • Lines tab 25

  26. Dimension Styles • Civil Surveying • Text tab 26

  27. Dimension Styles • Civil Surveying • Using on drawing 27

  28. Dimension Styles • Civil Surveying • Using on drawing 28

  29. Dimension Rules • Common Errors 29

  30. Dimension Rules • Acceptable Application 30

  31. Text • Two types of fonts • Shape fonts SHX • Vector-based AutoCAD • TrueType fonts (TTF) • Raster-based Windows • Letter Height • General: 0.12", 3mm • Titles: 0.24", 6mm 31

  32. Text • Don't Use Name “Standard” • Acceptable Fonts - Mechanical • NOT txt.shx • Romans.shx • Acceptable Fonts - Architectural • Romans.shx • Blueprint font 32

  33. Linetypes and Weights • Hidden Line Conventions 33

  34. Linetypes and Weights • Center Lines and Marks • Often incorrect in AutoCAD 34

  35. Linetypes and Weights • Center Lines and Marks • Use DCE for proper marks and editing without exploding 35

  36. Linetypes and Weights • Circular Center Mark • ARRAY them yourself 36

  37. Linetypes and Weights • Lineweights • Object lines • Thick (0.4mm - 0.5mm) • Other lines • Thin (0.2mm - 0.25mm) • Architectural • May have four to seven lineweights 37

  38. AutoCAD Defaults 38

  39. Applying Standards 39

  40. Template Drawing Location 40

  41. Use QNEW 41

  42. Contents of Template File • Layers • Colors, linetypes, lineweights • Layer filters, saved states • Dimension Style • Limits and Units • Text Styles ( not STANDARD) • General Block Definitions 42

  43. Contents of Template File • Views and Viewports • Layouts for Each Sheet Size • Default Plot Styles/Pen Styles • System Variables (Not Registry) • AUPREC and LUPREC • LTSCALE, PSLTSCALE • MEASUREMENT • And so on 43

  44. Layer Naming - Commercial Architecture • AIA • Discipline • Major group • Minor group • Status • User defined • Example A-WALL-DIMS-NEWW 44

  45. Layer Naming - Residential Architecture • Can use AIA • Might Have Simpler Standard For Example FL1-DIM FL2-DIM FND-DIM 45

  46. Layer Naming General • Reserve Layer 0 for Defining Blocks • Use Part-Based Layer Names for Assemblies • Use Logical Field Names • Easier to manage with wildcards 46

  47. Click to edit Master title style • Click to edit Master text styles • Second level • Third level • Fourth level • Fifth level 47

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